Re: SATA problems

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Tejun Heo wrote:
Pablo Sebastian Greco wrote:
First of all, thanks for everything, and my excuses if I'm doing
anything wrong, this is my first lkml mail, but I've read all the faq,
so should be OK.
This is the machine with the problem:

Intel ServerBoard S5000VSA
Dual Core Xeon 2.66 (Intel(R) Xeon(TM) CPU 2.66GHz stepping 04)
4G Kingston
1 Seagate 80G sata (ST380211AS) (sda)
3 Samsung 250G sata (SAMSUNG SP2504C) (sdb,c,d)

Installed distribution is FC6 x86_64

I've been getting these messages with distribution and vanilla kernels

Jan  1 16:29:08 squid kernel: ata4.00: exception Emask 0x0 SAct
0x7fffffff SErr 0x0 action 0x2 frozen
Jan  1 16:29:08 squid kernel: ata4.00: cmd
61/60:00:c9:6d:8e/00:00:0e:00:00/40 tag 0 cdb 0x0 data 49152 out
Jan  1 16:29:08 squid kernel:          res
40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
Jan  1 16:29:08 squid kernel: ata4.00: cmd
60/08:08:f7:7d:56/00:00:0e:00:00/40 tag 1 cdb 0x0 data 4096 in
Jan  1 16:29:08 squid kernel:          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
<snip>
Jan  1 16:29:08 squid kernel: ata4: soft resetting port
Jan  1 16:29:08 squid kernel: ata4: softreset failed (port busy but CLO
unavailable)
Jan  1 16:29:08 squid kernel: ata4: softreset failed, retrying in 5 secs
Jan  1 16:29:13 squid kernel: ata4: hard resetting port
Jan  1 16:29:21 squid kernel: ata4: port is slow to respond, please be
patient (Status 0x80)
Jan  1 16:29:43 squid kernel: ata4: port failed to respond (30 secs,
Status 0x80)
Jan  1 16:29:43 squid kernel: ata4: COMRESET failed (device not ready)
Jan  1 16:29:43 squid kernel: ata4: hardreset failed, retrying in 5 secs
Jan  1 16:29:48 squid kernel: ata4: hard resetting port
Jan  1 16:29:49 squid kernel: ata4: SATA link up 3.0 Gbps (SStatus 123
SControl 300)
Jan  1 16:29:49 squid kernel: ata4.00: configured for UDMA/133
Jan  1 16:29:49 squid kernel: ata4: EH complete
Jan  1 16:29:49 squid kernel: SCSI device sdd: 488397168 512-byte hdwr
sectors (250059 MB)
Jan  1 16:29:49 squid kernel: sdd: Write Protect is off
Jan  1 16:29:49 squid kernel: SCSI device sdd: write cache: enabled,
read cache: enabled, doesn't support DPO or FUA

lots of them, and eventually crashing the system.
Tested from fc6 2.6.18 kernel to vanilla 2.6.20-rc2-mm1. Old kernels
just crash, newer ones log these things and then crash.
I don't want to flood with this mail with useless info, so please tell
me what to send and I'll do it (dmesg, smartctl... you name it)
BTW, memtest was running for about 2 days without errors, and and
badblocks on all 4 drives returned nothing. Reallocated_Sector_Ct
raw_value was 0 on all 4 drives

Please post full dmesg and the result of 'lspci -nnvvv'.  And what do
you mean by 'crash'?

By crash I mean the whole system going down, having to reset the entire machine.
I'm sending you 4 files:
dmesg: current boot dmesg, just a boot, because no errors appeared after last crash, since the server is out of production right now (errors usually appear under heavy load, and this primarily a transparent proxy for about 1000 simultaneous users)
lspci: the way you asked for it
messages and messages.1: files where you can see old boots and crashes (even a soft lockup). If there is anything else I can do, let me know. If you need direct access to the server, I can arrange that too.

Thanks.
Pablo.

Attachment: messages.tar.bz2
Description: Binary data


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